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from typing import List

from ...utils.override import overrides
from .abstract_generator import AbstractGenerator
from .traffic_generator_core import TrafficGeneratorCore


class TrafficGenerator(AbstractGenerator):
    def __init__(
        self,
        config_file_list: List[str],
    ) -> None:
        super().__init__(
            cores=self._create_cores(config_file_list=config_file_list)
        )
        """The traffic generator

        This class defines an external interface to create a list of traffic
        generator cores that could replace the processing cores in a board.

        :param config_file_list: A list containing the path to configuration
                                 file each describing the traffic pattern that
                                 should be created by each core of the generator.
        """

    def _create_cores(
        self, config_file_list: List[str]
    ) -> List[TrafficGeneratorCore]:
        """
        The helper function to create the cores for the generator, it will use
        the same inputs as the constructor function.
        """
        return [
            TrafficGeneratorCore(config_file)
            for config_file in config_file_list
        ]

    @overrides(AbstractGenerator)
    def start_traffic(self) -> None:
        pass
